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Data Structures
struct	icmp_ra_addr

struct	icmphdr

struct	icmp

Macros
#define	icmp_pptr icmp_hun.ih_pptr

#define	icmp_gwaddr icmp_hun.ih_gwaddr

#define	icmp_id icmp_hun.ih_idseq.icd_id

#define	icmp_seq icmp_hun.ih_idseq.icd_seq

#define	icmp_void icmp_hun.ih_void

#define	icmp_pmvoid icmp_hun.ih_pmtu.ipm_void

#define	icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu

#define	icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs

#define	icmp_wpa icmp_hun.ih_rtradv.irt_wpa

#define	icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime

#define	icmp_otime icmp_dun.id_ts.its_otime

#define	icmp_rtime icmp_dun.id_ts.its_rtime

#define	icmp_ttime icmp_dun.id_ts.its_ttime

#define	icmp_ip icmp_dun.id_ip.idi_ip

#define	icmp_radv icmp_dun.id_radv

#define	icmp_mask icmp_dun.id_mask

#define	icmp_data icmp_dun.id_data

#define	ICMP_MINLEN 8 /* abs minimum */

#define	ICMP_TSLEN (8 + 3 * sizeof (uint32_t)) /* timestamp */

#define	ICMP_MASKLEN 12 /* address mask */

#define	ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */

#define	ICMP_ADVLEN(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)

#define	ICMP_ADVLENPREF(p) (8 + ((p)->icmp_ip.ip_hl << 2) + 8 + 8 + 12)

#define	ICMP_ECHOREPLY 0 /* echo reply */

#define	ICMP_UNREACH 3 /* dest unreachable, codes: */

#define	ICMP_UNREACH_NET 0 /* bad net */

#define	ICMP_UNREACH_HOST 1 /* bad host */

#define	ICMP_UNREACH_PROTOCOL 2 /* bad protocol */

#define	ICMP_UNREACH_PORT 3 /* bad port */

#define	ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */

#define	ICMP_UNREACH_SRCFAIL 5 /* src route failed */

#define	ICMP_UNREACH_NET_UNKNOWN 6 /* unknown net */

#define	ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */

#define	ICMP_UNREACH_ISOLATED 8 /* src host isolated */

#define	ICMP_UNREACH_NET_PROHIB 9 /* prohibited access */

#define	ICMP_UNREACH_HOST_PROHIB 10 /* ditto */

#define	ICMP_UNREACH_TOSNET 11 /* bad tos for net */

#define	ICMP_UNREACH_TOSHOST 12 /* bad tos for host */

#define	ICMP_UNREACH_FILTER_PROHIB 13 /* admin prohib */

#define	ICMP_UNREACH_HOST_PRECEDENCE 14 /* host prec vio. */

#define	ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* prec cutoff */

#define	ICMP_SOURCEQUENCH 4 /* packet lost, slow down */

#define	ICMP_REDIRECT 5 /* shorter route, codes: */

#define	ICMP_REDIRECT_NET 0 /* for network */

#define	ICMP_REDIRECT_HOST 1 /* for host */

#define	ICMP_REDIRECT_TOSNET 2 /* for tos and net */

#define	ICMP_REDIRECT_TOSHOST 3 /* for tos and host */

#define	ICMP_ALTHOSTADDR 6 /* alternate host address */

#define	ICMP_ECHO 8 /* echo service */

#define	ICMP_ROUTERADVERT 9 /* router advertisement */

#define	ICMP_ROUTERADVERT_NORMAL 0 /* normal advertisement */

#define	ICMP_ROUTERADVERT_NOROUTE_COMMON 16 /* selective routing */

#define	ICMP_ROUTERSOLICIT 10 /* router solicitation */

#define	ICMP_TIMXCEED 11 /* time exceeded, code: */

#define	ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */

#define	ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */

#define	ICMP_PARAMPROB 12 /* ip header bad */

#define	ICMP_PARAMPROB_ERRATPTR 0 /* error at param ptr */

#define	ICMP_PARAMPROB_OPTABSENT 1 /* req. opt. absent */

#define	ICMP_PARAMPROB_LENGTH 2 /* bad length */

#define	ICMP_TSTAMP 13 /* timestamp request */

#define	ICMP_TSTAMPREPLY 14 /* timestamp reply */

#define	ICMP_IREQ 15 /* information request */

#define	ICMP_IREQREPLY 16 /* information reply */

#define	ICMP_MASKREQ 17 /* address mask request */

#define	ICMP_MASKREPLY 18 /* address mask reply */

#define	ICMP_TRACEROUTE 30 /* traceroute */

#define	ICMP_DATACONVERR 31 /* data conversion error */

#define	ICMP_MOBILE_REDIRECT 32 /* mobile host redirect */

#define	ICMP_IPV6_WHEREAREYOU 33 /* IPv6 where-are-you */

#define	ICMP_IPV6_IAMHERE 34 /* IPv6 i-am-here */

#define	ICMP_MOBILE_REGREQUEST 35 /* mobile registration req */

#define	ICMP_MOBILE_REGREPLY 36 /* mobile registration reply */

#define	ICMP_SKIP 39 /* SKIP */

#define	ICMP_PHOTURIS 40 /* Photuris */

#define	ICMP_PHOTURIS_UNKNOWN_INDEX 1 /* unknown sec index */

#define	ICMP_PHOTURIS_AUTH_FAILED 2 /* auth failed */

#define	ICMP_PHOTURIS_DECRYPT_FAILED 3 /* decrypt failed */

#define	ICMP_MAXTYPE 40

#define	ICMP_INFOTYPE(type)

Functions
void	icmp_error (struct mbuf *, int, int, uint32_t, int)

int	icmp_input (struct mbuf *, int , int)

int	ip_next_mtu (int, int)

Macro Definition Documentation

◆ ICMP_ADVLEN

#define ICMP_ADVLEN ( p ) (8 + ((p)->icmp_ip.ip_hl << 2) + 8)

Definition at line 139 of file ip_icmp.h.

◆ ICMP_ADVLENMIN

#define ICMP_ADVLENMIN (8 + sizeof (struct ip) + 8) /* min */

Definition at line 138 of file ip_icmp.h.

◆ ICMP_ADVLENPREF

#define ICMP_ADVLENPREF ( p ) (8 + ((p)->icmp_ip.ip_hl << 2) + 8 + 8 + 12)

Definition at line 148 of file ip_icmp.h.

◆ ICMP_ALTHOSTADDR

#define ICMP_ALTHOSTADDR 6 /* alternate host address */

Definition at line 177 of file ip_icmp.h.

◆ icmp_data

#define icmp_data icmp_dun.id_data

Definition at line 124 of file ip_icmp.h.

◆ ICMP_DATACONVERR

#define ICMP_DATACONVERR 31 /* data conversion error */

Definition at line 197 of file ip_icmp.h.

◆ ICMP_ECHO

#define ICMP_ECHO 8 /* echo service */

Definition at line 178 of file ip_icmp.h.

◆ ICMP_ECHOREPLY

#define ICMP_ECHOREPLY 0 /* echo reply */

Definition at line 153 of file ip_icmp.h.

◆ icmp_gwaddr

#define icmp_gwaddr icmp_hun.ih_gwaddr

Definition at line 91 of file ip_icmp.h.

◆ icmp_id

#define icmp_id icmp_hun.ih_idseq.icd_id

Definition at line 92 of file ip_icmp.h.

◆ ICMP_INFOTYPE

#define ICMP_INFOTYPE ( type )

Value:

        ((type) == ICMP_ECHOREPLY || (type) == ICMP_ECHO || \
        (type) == ICMP_ROUTERADVERT || (type) == ICMP_ROUTERSOLICIT || \
        (type) == ICMP_TSTAMP || (type) == ICMP_TSTAMPREPLY || \
        (type) == ICMP_IREQ || (type) == ICMP_IREQREPLY || \
        (type) == ICMP_MASKREQ || (type) == ICMP_MASKREPLY)

Definition at line 211 of file ip_icmp.h.

◆ icmp_ip

#define icmp_ip icmp_dun.id_ip.idi_ip

Definition at line 121 of file ip_icmp.h.

◆ ICMP_IPV6_IAMHERE

#define ICMP_IPV6_IAMHERE 34 /* IPv6 i-am-here */

Definition at line 200 of file ip_icmp.h.

◆ ICMP_IPV6_WHEREAREYOU

#define ICMP_IPV6_WHEREAREYOU 33 /* IPv6 where-are-you */

Definition at line 199 of file ip_icmp.h.

◆ ICMP_IREQ

#define ICMP_IREQ 15 /* information request */

Definition at line 192 of file ip_icmp.h.

◆ ICMP_IREQREPLY

#define ICMP_IREQREPLY 16 /* information reply */

Definition at line 193 of file ip_icmp.h.

◆ icmp_lifetime

#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime

Definition at line 99 of file ip_icmp.h.

◆ icmp_mask

#define icmp_mask icmp_dun.id_mask

Definition at line 123 of file ip_icmp.h.

◆ ICMP_MASKLEN

#define ICMP_MASKLEN 12 /* address mask */

Definition at line 137 of file ip_icmp.h.

◆ ICMP_MASKREPLY

#define ICMP_MASKREPLY 18 /* address mask reply */

Definition at line 195 of file ip_icmp.h.

◆ ICMP_MASKREQ

#define ICMP_MASKREQ 17 /* address mask request */

Definition at line 194 of file ip_icmp.h.

◆ ICMP_MAXTYPE

#define ICMP_MAXTYPE 40

Definition at line 209 of file ip_icmp.h.

◆ ICMP_MINLEN

#define ICMP_MINLEN 8 /* abs minimum */

Definition at line 135 of file ip_icmp.h.

◆ ICMP_MOBILE_REDIRECT

#define ICMP_MOBILE_REDIRECT 32 /* mobile host redirect */

Definition at line 198 of file ip_icmp.h.

◆ ICMP_MOBILE_REGREPLY

#define ICMP_MOBILE_REGREPLY 36 /* mobile registration reply */

Definition at line 202 of file ip_icmp.h.

◆ ICMP_MOBILE_REGREQUEST

#define ICMP_MOBILE_REGREQUEST 35 /* mobile registration req */

Definition at line 201 of file ip_icmp.h.

◆ icmp_nextmtu

#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu

Definition at line 96 of file ip_icmp.h.

◆ icmp_num_addrs

#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs

Definition at line 97 of file ip_icmp.h.

◆ icmp_otime

#define icmp_otime icmp_dun.id_ts.its_otime

Definition at line 118 of file ip_icmp.h.

◆ ICMP_PARAMPROB

#define ICMP_PARAMPROB 12 /* ip header bad */

Definition at line 186 of file ip_icmp.h.

◆ ICMP_PARAMPROB_ERRATPTR

#define ICMP_PARAMPROB_ERRATPTR 0 /* error at param ptr */

Definition at line 187 of file ip_icmp.h.

◆ ICMP_PARAMPROB_LENGTH

#define ICMP_PARAMPROB_LENGTH 2 /* bad length */

Definition at line 189 of file ip_icmp.h.

◆ ICMP_PARAMPROB_OPTABSENT

#define ICMP_PARAMPROB_OPTABSENT 1 /* req. opt. absent */

Definition at line 188 of file ip_icmp.h.

◆ ICMP_PHOTURIS

#define ICMP_PHOTURIS 40 /* Photuris */

Definition at line 204 of file ip_icmp.h.

◆ ICMP_PHOTURIS_AUTH_FAILED

#define ICMP_PHOTURIS_AUTH_FAILED 2 /* auth failed */

Definition at line 206 of file ip_icmp.h.

◆ ICMP_PHOTURIS_DECRYPT_FAILED

#define ICMP_PHOTURIS_DECRYPT_FAILED 3 /* decrypt failed */

Definition at line 207 of file ip_icmp.h.

◆ ICMP_PHOTURIS_UNKNOWN_INDEX

#define ICMP_PHOTURIS_UNKNOWN_INDEX 1 /* unknown sec index */

Definition at line 205 of file ip_icmp.h.

◆ icmp_pmvoid

#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void

Definition at line 95 of file ip_icmp.h.

◆ icmp_pptr

#define icmp_pptr icmp_hun.ih_pptr

Definition at line 90 of file ip_icmp.h.

◆ icmp_radv

#define icmp_radv icmp_dun.id_radv

Definition at line 122 of file ip_icmp.h.

◆ ICMP_REDIRECT

#define ICMP_REDIRECT 5 /* shorter route, codes: */

Definition at line 172 of file ip_icmp.h.

◆ ICMP_REDIRECT_HOST

#define ICMP_REDIRECT_HOST 1 /* for host */

Definition at line 174 of file ip_icmp.h.

◆ ICMP_REDIRECT_NET

#define ICMP_REDIRECT_NET 0 /* for network */

Definition at line 173 of file ip_icmp.h.

◆ ICMP_REDIRECT_TOSHOST

#define ICMP_REDIRECT_TOSHOST 3 /* for tos and host */

Definition at line 176 of file ip_icmp.h.

◆ ICMP_REDIRECT_TOSNET

#define ICMP_REDIRECT_TOSNET 2 /* for tos and net */

Definition at line 175 of file ip_icmp.h.

◆ ICMP_ROUTERADVERT

#define ICMP_ROUTERADVERT 9 /* router advertisement */

Definition at line 179 of file ip_icmp.h.

◆ ICMP_ROUTERADVERT_NORMAL

#define ICMP_ROUTERADVERT_NORMAL 0 /* normal advertisement */

Definition at line 180 of file ip_icmp.h.

◆ ICMP_ROUTERADVERT_NOROUTE_COMMON

#define ICMP_ROUTERADVERT_NOROUTE_COMMON 16 /* selective routing */

Definition at line 181 of file ip_icmp.h.

◆ ICMP_ROUTERSOLICIT

#define ICMP_ROUTERSOLICIT 10 /* router solicitation */

Definition at line 182 of file ip_icmp.h.

◆ icmp_rtime

#define icmp_rtime icmp_dun.id_ts.its_rtime

Definition at line 119 of file ip_icmp.h.

◆ icmp_seq

#define icmp_seq icmp_hun.ih_idseq.icd_seq

Definition at line 93 of file ip_icmp.h.

◆ ICMP_SKIP

#define ICMP_SKIP 39 /* SKIP */

Definition at line 203 of file ip_icmp.h.

◆ ICMP_SOURCEQUENCH

#define ICMP_SOURCEQUENCH 4 /* packet lost, slow down */

Definition at line 171 of file ip_icmp.h.

◆ ICMP_TIMXCEED

#define ICMP_TIMXCEED 11 /* time exceeded, code: */

Definition at line 183 of file ip_icmp.h.

◆ ICMP_TIMXCEED_INTRANS

#define ICMP_TIMXCEED_INTRANS 0 /* ttl==0 in transit */

Definition at line 184 of file ip_icmp.h.

◆ ICMP_TIMXCEED_REASS

#define ICMP_TIMXCEED_REASS 1 /* ttl==0 in reass */

Definition at line 185 of file ip_icmp.h.

◆ ICMP_TRACEROUTE

#define ICMP_TRACEROUTE 30 /* traceroute */

Definition at line 196 of file ip_icmp.h.

◆ ICMP_TSLEN

#define ICMP_TSLEN (8 + 3 * sizeof (uint32_t)) /* timestamp */

Definition at line 136 of file ip_icmp.h.

◆ ICMP_TSTAMP

#define ICMP_TSTAMP 13 /* timestamp request */

Definition at line 190 of file ip_icmp.h.

◆ ICMP_TSTAMPREPLY

#define ICMP_TSTAMPREPLY 14 /* timestamp reply */

Definition at line 191 of file ip_icmp.h.

◆ icmp_ttime

#define icmp_ttime icmp_dun.id_ts.its_ttime

Definition at line 120 of file ip_icmp.h.

◆ ICMP_UNREACH

#define ICMP_UNREACH 3 /* dest unreachable, codes: */

Definition at line 154 of file ip_icmp.h.

◆ ICMP_UNREACH_FILTER_PROHIB

#define ICMP_UNREACH_FILTER_PROHIB 13 /* admin prohib */

Definition at line 168 of file ip_icmp.h.

◆ ICMP_UNREACH_HOST

#define ICMP_UNREACH_HOST 1 /* bad host */

Definition at line 156 of file ip_icmp.h.

◆ ICMP_UNREACH_HOST_PRECEDENCE

#define ICMP_UNREACH_HOST_PRECEDENCE 14 /* host prec vio. */

Definition at line 169 of file ip_icmp.h.

◆ ICMP_UNREACH_HOST_PROHIB

#define ICMP_UNREACH_HOST_PROHIB 10 /* ditto */

Definition at line 165 of file ip_icmp.h.

◆ ICMP_UNREACH_HOST_UNKNOWN

#define ICMP_UNREACH_HOST_UNKNOWN 7 /* unknown host */

Definition at line 162 of file ip_icmp.h.

◆ ICMP_UNREACH_ISOLATED

#define ICMP_UNREACH_ISOLATED 8 /* src host isolated */

Definition at line 163 of file ip_icmp.h.

◆ ICMP_UNREACH_NEEDFRAG

#define ICMP_UNREACH_NEEDFRAG 4 /* IP_DF caused drop */

Definition at line 159 of file ip_icmp.h.

◆ ICMP_UNREACH_NET

#define ICMP_UNREACH_NET 0 /* bad net */

Definition at line 155 of file ip_icmp.h.

◆ ICMP_UNREACH_NET_PROHIB

#define ICMP_UNREACH_NET_PROHIB 9 /* prohibited access */

Definition at line 164 of file ip_icmp.h.

◆ ICMP_UNREACH_NET_UNKNOWN

#define ICMP_UNREACH_NET_UNKNOWN 6 /* unknown net */

Definition at line 161 of file ip_icmp.h.

◆ ICMP_UNREACH_PORT

#define ICMP_UNREACH_PORT 3 /* bad port */

Definition at line 158 of file ip_icmp.h.

◆ ICMP_UNREACH_PRECEDENCE_CUTOFF

#define ICMP_UNREACH_PRECEDENCE_CUTOFF 15 /* prec cutoff */

Definition at line 170 of file ip_icmp.h.

◆ ICMP_UNREACH_PROTOCOL

#define ICMP_UNREACH_PROTOCOL 2 /* bad protocol */

Definition at line 157 of file ip_icmp.h.

◆ ICMP_UNREACH_SRCFAIL

#define ICMP_UNREACH_SRCFAIL 5 /* src route failed */

Definition at line 160 of file ip_icmp.h.

◆ ICMP_UNREACH_TOSHOST

#define ICMP_UNREACH_TOSHOST 12 /* bad tos for host */

Definition at line 167 of file ip_icmp.h.

◆ ICMP_UNREACH_TOSNET

#define ICMP_UNREACH_TOSNET 11 /* bad tos for net */

Definition at line 166 of file ip_icmp.h.

◆ icmp_void

#define icmp_void icmp_hun.ih_void

Definition at line 94 of file ip_icmp.h.

◆ icmp_wpa

#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa

Definition at line 98 of file ip_icmp.h.

Function Documentation

◆ icmp_error()

void icmp_error	(	struct mbuf *	,
		int	,
		int	,
		uint32_t	,
		int
	)

Referenced by ip_dooptions(), ip_findroute(), ip_forward(), and ip_tryforward().

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◆ icmp_input()

int icmp_input	(	struct mbuf **	,
		int *	,
		int
	)

◆ ip_next_mtu()

int ip_next_mtu	(	int	,
		int
	)

Referenced by ip_forward().